Instability in the hospital. The meaning and causes in health care because the service may delay because it was not uncomfortable services users. Expense savings. Some hospitals do not have much quality of cleanliness. The patients that were treated in the hospital, it may be an infection in the hospital because the source of infection in the hospital with the patient chunchip all together or from a device that is used with the patient. Chunchip infection is bacterial contamination or chunchip in the environment such as air, etc. Result, the patient has an infection in the hospital easily. So we need to have guidelines for preventing hospital infection control is.